/**
 * Copyright Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// [START apps_script_slides_create_presentation]
/**
 * Create a new presentation.
 * @return {string} presentation Id.
 * @see https://developers.google.com/slides/api/reference/rest/v1/presentations/create
 */
function createPresentation() {
  try {
    const presentation = Slides.Presentations.create({
      title: "MyNewPresentation",
    });
    console.log(`Created presentation with ID: ${presentation.presentationId}`);
    return presentation.presentationId;
  } catch (e) {
    // TODO (developer) - Handle exception
    console.log("Failed with error %s", e.message);
  }
}
// [END apps_script_slides_create_presentation]

// [START apps_script_slides_create_slide]
/**
 * Create a new slide.
 * @param {string} presentationId The presentation to add the slide to.
 * @return {Object} slide
 * @see https://developers.google.com/slides/api/reference/rest/v1/presentations/batchUpdate
 */
function createSlide(presentationId) {
  // You can specify the ID to use for the slide, as long as it's unique.
  const pageId = Utilities.getUuid();

  const requests = [
    {
      createSlide: {
        objectId: pageId,
        insertionIndex: 1,
        slideLayoutReference: {
          predefinedLayout: "TITLE_AND_TWO_COLUMNS",
        },
      },
    },
  ];
  try {
    const slide = Slides.Presentations.batchUpdate(
      { requests: requests },
      presentationId,
    );
    console.log(
      `Created Slide with ID: ${slide.replies[0].createSlide.objectId}`,
    );
    return slide;
  } catch (e) {
    // TODO (developer) - Handle Exception
    console.log("Failed with error %s", e.message);
  }
}
// [END apps_script_slides_create_slide]

// [START apps_script_slides_read_page]
/**
 * Read page element IDs.
 * @param {string} presentationId The presentation to read from.
 * @param {string} pageId The page to read from.
 * @return {Object} response
 * @see https://developers.google.com/slides/api/reference/rest/v1/presentations.pages/get
 */
function readPageElementIds(presentationId, pageId) {
  // You can use a field mask to limit the data the API retrieves
  // in a get request, or what fields are updated in an batchUpdate.
  try {
    const response = Slides.Presentations.Pages.get(presentationId, pageId, {
      fields: "pageElements.objectId",
    });
    console.log(response);
    return response;
  } catch (e) {
    // TODO (developer) - Handle Exception
    console.log("Failed with error %s", e.message);
  }
}
// [END apps_script_slides_read_page]

// [START apps_script_slides_add_text_box]
/**
 * Add a new text box with text to a page.
 * @param {string} presentationId The presentation ID.
 * @param {string} pageId The page ID.
 * @return {Object} response
 * @see https://developers.google.com/slides/api/reference/rest/v1/presentations/batchUpdate
 */
function addTextBox(presentationId, pageId) {
  // You can specify the ID to use for elements you create,
  // as long as the ID is unique.
  const pageElementId = Utilities.getUuid();

  const requests = [
    {
      createShape: {
        objectId: pageElementId,
        shapeType: "TEXT_BOX",
        elementProperties: {
          pageObjectId: pageId,
          size: {
            width: {
              magnitude: 150,
              unit: "PT",
            },
            height: {
              magnitude: 50,
              unit: "PT",
            },
          },
          transform: {
            scaleX: 1,
            scaleY: 1,
            translateX: 200,
            translateY: 100,
            unit: "PT",
          },
        },
      },
    },
    {
      insertText: {
        objectId: pageElementId,
        text: "My Added Text Box",
        insertionIndex: 0,
      },
    },
  ];
  try {
    const response = Slides.Presentations.batchUpdate(
      { requests: requests },
      presentationId,
    );
    console.log(
      `Created Textbox with ID: ${response.replies[0].createShape.objectId}`,
    );
    return response;
  } catch (e) {
    // TODO (developer) - Handle Exception
    console.log("Failed with error %s", e.message);
  }
}
// [END apps_script_slides_add_text_box]

// [START apps_script_slides_format_shape_text]
/**
 * Format the text in a shape.
 * @param {string} presentationId The presentation ID.
 * @param {string} shapeId The shape ID.
 * @return {Object} replies
 * @see https://developers.google.com/slides/api/reference/rest/v1/presentations/batchUpdate
 */
function formatShapeText(presentationId, shapeId) {
  const requests = [
    {
      updateTextStyle: {
        objectId: shapeId,
        fields: "foregroundColor,bold,italic,fontFamily,fontSize,underline",
        style: {
          foregroundColor: {
            opaqueColor: {
              themeColor: "ACCENT5",
            },
          },
          bold: true,
          italic: true,
          underline: true,
          fontFamily: "Corsiva",
          fontSize: {
            magnitude: 18,
            unit: "PT",
          },
        },
        textRange: {
          type: "ALL",
        },
      },
    },
  ];
  try {
    const response = Slides.Presentations.batchUpdate(
      { requests: requests },
      presentationId,
    );
    return response.replies;
  } catch (e) {
    // TODO (developer) - Handle Exception
    console.log("Failed with error %s", e.message);
  }
}
// [END apps_script_slides_format_shape_text]

// [START apps_script_slides_save_thumbnail]
/**
 * Saves a thumbnail image of the current Google Slide presentation in Google Drive.
 * Logs the image URL.
 * @param {number} i The zero-based slide index. 0 is the first slide.
 * @example saveThumbnailImage(0)
 * @see https://developers.google.com/slides/api/reference/rest/v1/presentations.pages/getThumbnail
 */
function saveThumbnailImage(i) {
  try {
    const presentation = SlidesApp.getActivePresentation();
    // Get the thumbnail of specified page
    const thumbnail = Slides.Presentations.Pages.getThumbnail(
      presentation.getId(),
      presentation.getSlides()[i].getObjectId(),
    );
    // fetch the  URL to the thumbnail image.
    const response = UrlFetchApp.fetch(thumbnail.contentUrl);
    const image = response.getBlob();
    // Creates a file in the root of the user's Drive from a given Blob of arbitrary data.
    const file = DriveApp.createFile(image);
    console.log(file.getUrl());
  } catch (e) {
    // TODO (developer) - Handle Exception
    console.log("Failed with error %s", e.message);
  }
}
// [END apps_script_slides_save_thumbnail]
